If the selector lever will not move from P using the proper shift procedure, continue to hold down the brake pedal.

Take the vehicle to an Authorized Mazda Dealer to have the system checked.
Shift-Lock System
Manual Shift ModeVariable Swirl Shutter Valve Switch Inspection [Mzr 2.3 Disi Turbo]
Voltage Inspection
NOTE:
The variable swirl shutter valve switch cannot be removed as a single unit.
When replacing the variable swirl shutter valve switch, replace it together
with the intake manifold as a single unit.
1. Switch the ignition to ON (Engine off).
2. Verify that ...
PCM Configuration [Mzr 2.0, Mzr 2.5]
CAUTION:
If the wheel and tire sizes are changed, a discrepancy with the speedometer
needle whereby it exceeds the allowable range could result in a malfunction.
If the wheel and tire sizes are changed, perform the following procedure to
change the tire size parameter setting..
...
Sirius Satellite Radio Antenna Feeder Removal/Installation
SIRIUS Satellite Radio Antenna Feeder No.1
NOTE:
SIRIUS satellite radio antenna feeder No.1 is integrated with the dashboard
wiring harness.
1. Refer to DASHBOARD DISASSEMBLY/ASSEMBLY.
SIRIUS Satellite Radio Antenna Feeder No.2
NOTE:
SIRIUS satellite radio antenna feeder ...